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add ROCK 3C support

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Signed-off-by: Alvin <alvin@radxa.com>
This commit is contained in:
Alvin
2022-10-22 11:25:52 +08:00
committed by Stephen Chen
parent 45c4aa7cee
commit f854463c34
5 changed files with 218 additions and 0 deletions
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1
api/mraa/types.h
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@@ -75,6 +75,7 @@ typedef enum {
MRAA_RADXA_ZERO = 30, /**< Radxa Zero V1.3 */
MRAA_RADXA_ROCK_3_MODEL_A = 31, /**< Radxa ROCK3A V1.3 */
MRAA_RADXA_CM3_IO = 32, /**< Radxa CM3 V1.3 */
MRAA_RADXA_ROCK_3_MODEL_C = 33, /**< Radxa ROCK 3C */
// USB platform extenders start at 256
MRAA_FTDI_FT4222 = 256, /**< FTDI FT4222 USB to i2c bridge */

29
include/arm/radxa_rock3c.h Normal file
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@@ -0,0 +1,29 @@
/*
* Author: Ken <ken@radxa.com>
* Copyright (c) Radxa Limited.
*
* SPDX-License-Identifier: MIT
*/
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
#include "mraa_internal.h"
#define MRAA_RADXA_ROCK3C_GPIO_COUNT 28
#define MRAA_RADXA_ROCK3C_I2C_COUNT 2
#define MRAA_RADXA_ROCK3C_SPI_COUNT 1
#define MRAA_RADXA_ROCK3C_UART_COUNT 4
#define MRAA_RADXA_ROCK3C_PWM_COUNT 7
#define MRAA_RADXA_ROCK3C_ADC_COUNT 0
#define MRAA_RADXA_ROCK3C_PIN_COUNT 40
mraa_board_t *
mraa_radxa_rock3c();
#ifdef __cplusplus
}
#endif

1
src/CMakeLists.txt
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@@ -114,6 +114,7 @@ set (mraa_LIB_ARM_SRCS_NOAUTO
${PROJECT_SOURCE_DIR}/src/arm/adlink_ipi.c
${PROJECT_SOURCE_DIR}/src/arm/radxa_zero.c
${PROJECT_SOURCE_DIR}/src/arm/radxa_rock3a.c
${PROJECT_SOURCE_DIR}/src/arm/radxa_rock3c.c
${PROJECT_SOURCE_DIR}/src/arm/radxa_cm3_io.c
)

6
src/arm/arm.c
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@@ -17,6 +17,7 @@
#include "arm/rockpie_v11.h"
#include "arm/radxa_zero.h"
#include "arm/radxa_rock3a.h"
#include "arm/radxa_rock3c.h"
#include "arm/de_nano_soc.h"
#include "arm/banana.h"
#include "arm/beaglebone.h"
@@ -117,6 +118,8 @@ mraa_arm_platform()
mraa_file_contains("/proc/device-tree/model", "Radxa ROCK 3 Model B")
)
platform_type = MRAA_RADXA_ROCK_3_MODEL_A;
else if (mraa_file_contains("/proc/device-tree/model", "Radxa ROCK3 Model C"))
platform_type = MRAA_RADXA_ROCK_3_MODEL_C;
else if (mraa_file_contains("/proc/device-tree/model", "Radxa CM3 IO"))
platform_type = MRAA_RADXA_CM3_IO;
else if (mraa_file_contains("/proc/device-tree/compatible", "raspberrypi,"))
@@ -162,6 +165,9 @@ mraa_arm_platform()
case MRAA_RADXA_ROCK_3_MODEL_A:
plat = mraa_radxa_rock3a();
break;
case MRAA_RADXA_ROCK_3_MODEL_C:
plat = mraa_radxa_rock3c();
break;
case MRAA_RADXA_CM3_IO:
plat = mraa_radxa_cm3_io();
break;

181
src/arm/radxa_rock3c.c Normal file
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@@ -0,0 +1,181 @@
/*
* Author: Ken <ken@radxa.com>
* Copyright (c) Radxa Limited.
*
* SPDX-License-Identifier: MIT
*/
#include <mraa/common.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
#include "arm/radxa_rock3c.h"
#include "common.h"
#define DT_BASE "/proc/device-tree"
#define PLATFORM_NAME_RADXA_ROCK_3_MODEL_C "Radxa ROCK3 Model C"
#define MAX_SIZE 64
const char* radxa_rock3c_serialdev[MRAA_RADXA_ROCK3C_UART_COUNT] = { "/dev/ttyS3", "/dev/ttyS4", "/dev/ttyS5", "/dev/ttyS9" };
void
mraa_radxa_rock3c_pininfo(mraa_board_t* board, int index, int sysfs_pin, mraa_pincapabilities_t pincapabilities_t, char* fmt, ...)
{
va_list arg_ptr;
if (index > board->phy_pin_count)
return;
mraa_pininfo_t* pininfo = &board->pins[index];
va_start(arg_ptr, fmt);
vsnprintf(pininfo->name, MRAA_PIN_NAME_SIZE, fmt, arg_ptr);
if( pincapabilities_t.gpio == 1 ) {
va_arg(arg_ptr, int);
pininfo->gpio.gpio_chip = va_arg(arg_ptr, int);
pininfo->gpio.gpio_line = va_arg(arg_ptr, int);
}
pininfo->capabilities = pincapabilities_t;
va_end(arg_ptr);
pininfo->gpio.pinmap = sysfs_pin;
pininfo->gpio.mux_total = 0;
}
mraa_board_t*
mraa_radxa_rock3c()
{
mraa_board_t* b = (mraa_board_t*) calloc(1, sizeof(mraa_board_t));
if (b== NULL) {
return NULL;
}
b->adv_func = (mraa_adv_func_t*) calloc(1, sizeof(mraa_adv_func_t));
if (b->adv_func == NULL) {
free(b);
return NULL;
}
// pin mux for buses are setup by default by kernel so tell mraa to ignore them
b->no_bus_mux = 1;
b->phy_pin_count = MRAA_RADXA_ROCK3C_PIN_COUNT + 1;
if (mraa_file_exist(DT_BASE "/model")) {
// We are on a modern kernel, great!!!!
if (mraa_file_contains(DT_BASE "/model", PLATFORM_NAME_RADXA_ROCK_3_MODEL_C) ) {
b->platform_name = PLATFORM_NAME_RADXA_ROCK_3_MODEL_C;
b->uart_dev[0].device_path = (char*) radxa_rock3c_serialdev[0];
b->uart_dev[1].device_path = (char*) radxa_rock3c_serialdev[1];
b->uart_dev[2].device_path = (char*) radxa_rock3c_serialdev[2];
b->uart_dev[3].device_path = (char*) radxa_rock3c_serialdev[3];
}
}
// UART
b->uart_dev_count = MRAA_RADXA_ROCK3C_UART_COUNT;
b->def_uart_dev = 0;
b->uart_dev[0].index = 3;
b->uart_dev[1].index = 4;
b->uart_dev[2].index = 5;
b->uart_dev[3].index = 9;
// I2C
if (strncmp(b->platform_name, PLATFORM_NAME_RADXA_ROCK_3_MODEL_C, MAX_SIZE) == 0) {
b->i2c_bus_count = MRAA_RADXA_ROCK3C_I2C_COUNT ;
b->def_i2c_bus = 0;
b->i2c_bus[0].bus_id = 1;
b->i2c_bus[1].bus_id = 2;
}
// SPI
b->spi_bus_count = MRAA_RADXA_ROCK3C_SPI_COUNT;
b->def_spi_bus = 0;
b->spi_bus[0].bus_id = 3;
//The PWM function cannot be used for the time being, because there is no way to use it one by one.
// PWM
b->pwm_dev_count = MRAA_RADXA_ROCK3C_PWM_COUNT;
b->pwm_default_period = 500;
b->pwm_max_period = 2147483;
b->pwm_min_period = 1;
b->pins = (mraa_pininfo_t*) malloc(sizeof(mraa_pininfo_t) * b->phy_pin_count);
if (b->pins == NULL) {
free(b->adv_func);
free(b);
return NULL;
}
b->pins[16].pwm.parent_id = 1; //pwm8-m0
b->pins[16].pwm.mux_total = 0;
b->pins[16].pwm.pinmap = 0;
b->pins[18].pwm.parent_id = 1; //pwm9-m0
b->pins[18].pwm.mux_total = 0;
b->pins[18].pwm.pinmap = 0;
b->pins[21].pwm.parent_id = 1; //pwm12-m1
b->pins[21].pwm.mux_total = 0;
b->pins[21].pwm.pinmap = 0;
b->pins[24].pwm.parent_id = 1; //pwm13-m1
b->pins[24].pwm.mux_total = 0;
b->pins[24].pwm.pinmap = 0;
b->pins[7].pwm.parent_id = 0; //pwm14-m0
b->pins[7].pwm.mux_total = 0;
b->pins[7].pwm.pinmap = 0;
b->pins[23].pwm.parent_id = 1; //pwm14-m1
b->pins[23].pwm.mux_total = 0;
b->pins[23].pwm.pinmap = 0;
b->pins[13].pwm.parent_id = 1; //pwm15-m0
b->pins[13].pwm.mux_total = 0;
b->pins[13].pwm.pinmap = 0;
b->pins[19].pwm.parent_id = 0; //pwm15-m1
b->pins[19].pwm.mux_total = 0;
b->pins[19].pwm.pinmap = 0;
mraa_radxa_rock3c_pininfo(b, 0, -1, (mraa_pincapabilities_t){0,0,0,0,0,0,0,0}, "INVALID");
mraa_radxa_rock3c_pininfo(b, 1, -1, (mraa_pincapabilities_t){1,0,0,0,0,0,0,0}, "3V3");
mraa_radxa_rock3c_pininfo(b, 2, -1, (mraa_pincapabilities_t){1,0,0,0,0,0,0,0}, "5V");
mraa_radxa_rock3c_pininfo(b, 3, 32, (mraa_pincapabilities_t){1,1,0,0,0,1,0,1}, "GPIO1_A0,I2C3_SDA_M0,UART3_RX_M0");
mraa_radxa_rock3c_pininfo(b, 4, -1, (mraa_pincapabilities_t){1,0,0,0,0,0,0,0}, "5V");
mraa_radxa_rock3c_pininfo(b, 5, 33, (mraa_pincapabilities_t){1,1,0,0,0,1,0,1}, "GPIO1_A1,I2C3_SCL_M0,UART3_TX_M0");
mraa_radxa_rock3c_pininfo(b, 6, -1, (mraa_pincapabilities_t){1,0,0,0,0,0,0,0}, "GND");
mraa_radxa_rock3c_pininfo(b, 7, 116, (mraa_pincapabilities_t){1,1,1,0,0,0,0,0}, "GPIO3_C4,PWM14_M0");
mraa_radxa_rock3c_pininfo(b, 8, 25, (mraa_pincapabilities_t){1,1,0,0,0,0,0,1}, "GPIO0_D1,UART2_TXD");
mraa_radxa_rock3c_pininfo(b, 9, -1, (mraa_pincapabilities_t){1,0,0,0,0,0,0,0}, "GND");
mraa_radxa_rock3c_pininfo(b, 10, 24, (mraa_pincapabilities_t){1,1,0,0,0,0,0,1}, "GPIO0_D0,UART2_RXD");
mraa_radxa_rock3c_pininfo(b, 11, 97, (mraa_pincapabilities_t){1,1,0,0,0,0,0,0}, "GPIO3_A1");
mraa_radxa_rock3c_pininfo(b, 12, 99, (mraa_pincapabilities_t){1,1,0,0,0,0,0,0}, "GPIO3_A3");
mraa_radxa_rock3c_pininfo(b, 13, 98, (mraa_pincapabilities_t){1,1,0,0,0,0,0,0}, "GPIO3_A2");
mraa_radxa_rock3c_pininfo(b, 14, -1, (mraa_pincapabilities_t){1,0,0,0,0,0,0,0}, "GND");
mraa_radxa_rock3c_pininfo(b, 15, 104, (mraa_pincapabilities_t){1,1,0,0,0,0,0,0}, "GPIO03_B0");
mraa_radxa_rock3c_pininfo(b, 16, 105, (mraa_pincapabilities_t){1,1,1,0,0,0,0,1}, "GPIO03_B1,PWM8_M0,UART4_RX_M1");
mraa_radxa_rock3c_pininfo(b, 17, -1, (mraa_pincapabilities_t){1,0,0,0,0,0,0,0}, "3V3");
mraa_radxa_rock3c_pininfo(b, 18, 106, (mraa_pincapabilities_t){1,1,1,0,0,0,0,1}, "GPIO3_B2,PWM9_M0,UART4_TX_M1");
mraa_radxa_rock3c_pininfo(b, 19, 147, (mraa_pincapabilities_t){1,1,1,0,1,0,0,0}, "GPIO4_C3,PWM15_IR_M1,SPI3_MOSI_M1");
mraa_radxa_rock3c_pininfo(b, 20, -1, (mraa_pincapabilities_t){1,0,0,0,0,0,0,0}, "GND");
mraa_radxa_rock3c_pininfo(b, 21, 149, (mraa_pincapabilities_t){1,1,1,0,1,0,0,1}, "GPIO4_C5,PWM12_M1,SPI3_MISO_M1,UART9_TX_M1");
mraa_radxa_rock3c_pininfo(b, 22, 113, (mraa_pincapabilities_t){1,1,0,0,0,0,0,0}, "GPIO3_C1");
mraa_radxa_rock3c_pininfo(b, 23, 146, (mraa_pincapabilities_t){1,1,1,0,1,0,0,0}, "GPIO4_C2,PWM14_M1,SPI3_CLK_M1");
mraa_radxa_rock3c_pininfo(b, 24, 150, (mraa_pincapabilities_t){1,1,1,0,1,0,0,1}, "GPIO4_C6,PWM13_M1,SPI3_CS0_M1,UART9_RX_M1");
mraa_radxa_rock3c_pininfo(b, 25, -1, (mraa_pincapabilities_t){1,0,0,0,0,0,0,0}, "GND");
mraa_radxa_rock3c_pininfo(b, 26, 153, (mraa_pincapabilities_t){1,1,0,0,1,0,0,0}, "GPIO4_D1,SPI3_CS1_M1");
mraa_radxa_rock3c_pininfo(b, 27, 138, (mraa_pincapabilities_t){1,1,0,0,0,1,0,0}, "GPIO4_B2,I2C4_SDA_M0");
mraa_radxa_rock3c_pininfo(b, 28, 139, (mraa_pincapabilities_t){1,1,0,0,0,1,0,0}, "GPIO4_B3,I2C4_SCL_M0");
mraa_radxa_rock3c_pininfo(b, 29, 107, (mraa_pincapabilities_t){1,1,0,0,0,0,0,0}, "GPIO3_B3");
mraa_radxa_rock3c_pininfo(b, 30, -1, (mraa_pincapabilities_t){1,0,0,0,0,0,0,0}, "GND");
mraa_radxa_rock3c_pininfo(b, 31, 108, (mraa_pincapabilities_t){1,1,0,0,0,0,0,0}, "GPIO3_B4");
mraa_radxa_rock3c_pininfo(b, 32, 114, (mraa_pincapabilities_t){1,1,0,0,0,0,0,1}, "GPIO3_C2,UART5_TX_M1");
mraa_radxa_rock3c_pininfo(b, 33, 115, (mraa_pincapabilities_t){1,1,0,0,0,0,0,1}, "GPIO3_C3,UART5_RX_M1");
mraa_radxa_rock3c_pininfo(b, 34, -1, (mraa_pincapabilities_t){1,0,0,0,0,0,0,0}, "GND");
mraa_radxa_rock3c_pininfo(b, 35, 100, (mraa_pincapabilities_t){1,1,0,0,0,0,0,0}, "GPIO3_A4");
mraa_radxa_rock3c_pininfo(b, 36, 103, (mraa_pincapabilities_t){1,1,0,0,0,0,0,0}, "GPIO3_A7");
mraa_radxa_rock3c_pininfo(b, 37, 36, (mraa_pincapabilities_t){1,1,0,0,0,0,0,0}, "GPIO1_A4");
mraa_radxa_rock3c_pininfo(b, 38, 102, (mraa_pincapabilities_t){1,1,0,0,0,0,0,0}, "GPIO3_A6");
mraa_radxa_rock3c_pininfo(b, 39, -1, (mraa_pincapabilities_t){1,0,0,0,0,0,0,0}, "GND");
mraa_radxa_rock3c_pininfo(b, 40, 101, (mraa_pincapabilities_t){1,1,0,0,0,0,0,0}, "GPIO3_A5");
return b;
}